{"hq_id":"hq-p-chd-000073","name":"Disposable Breast Milk Storage Bags (Plastic)","category":{"primary":"children","secondary":"feeding","tags":["breast milk bag","plastic","LDPE","microplastics","BPA-free","freezer","heat","lipophilic leaching"]},"product_tier":"CHD","overall_risk_level":"moderate","description":"Single-use plastic bags for expressing, storing, and freezing breast milk. Breast milk's high fat content (3-5%) makes it exceptionally efficient at extracting lipophilic chemicals from plastic. Freeze-thaw cycling and warm-water thawing accelerate microplastic release.","synthesis":{"derived_risk_level":"moderate_to_high","synthesis_confidence":0.86,"synthesis_method":"compound_composition","context_used":"human_infant","context_source":"product_users","exposure_modifier":1.265,"vulnerability_escalated":true,"escalation_reason":"CHD tier product","compounds_resolved":3,"compounds_total":3,"synthesis_date":"2026-03-27","synthesis_version":"1.0.0"},"hazard_summary":{"sensitive_populations":"infants, children","overall_risk":"moderate","primary_concerns":["Breast milk is 3-5% fat — lipophilic chemicals (phthalates, BPA analogues, UV stabilizers) partition preferentially into fatty liquids. Study found BPA levels in breast milk increased 5-8x after storage in polycarbonate containers. Microplastic release from LDPE bags increases 4-6x after freeze-thaw cycling. Every freeze-thaw cycle degrades polymer surface. Infant consumes 750-1000 mL milk/day — the entire stored volume."],"exposure_routes":"Oral ingestion of microplastics and leached chemicals via breast milk; Lipophilic extraction: breast milk fat dissolves plastic-associated chemicals; Freeze-thaw cycling degrades plastic, releasing particles"},"exposure":{"users":["infant","child"],"routes":["inhalation","oral"],"contact_types":["inhalation","oral_direct"],"duration":"hours","frequency":"daily","scenarios":["Oral/ingestion exposure during use of Disposable Breast Milk Storage Bags (Plastic)","Inhalation exposure during use of Disposable Breast Milk Storage Bags (Plastic)","Incidental mouthing or hand-to-mouth transfer by children"],"notes":"Exposure to Disposable Breast Milk Storage Bags (Plastic) occurs via inhalation, oral. Children and infants face higher exposure per body weight due to developing detoxification systems, higher surface-area-to-weight ratio, and behavioral factors (mouthing, crawling)."},"consumer_guidance":{"usage_warning":"Thaw breast milk in refrigerator (not warm water) when possible. Never microwave breast milk in plastic bags. Minimize freeze-thaw cycles. Consider glass storage for milk that will be stored longest.","safer_alternatives":["Glass breast milk storage bottles (Lifefactory, Mason jars with silicone lids)","Silicone breast milk storage bags (Junobie, Zip Top — reusable, no microplastics)","Stainless steel breast milk containers (for refrigerator storage)"]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"Consumer Product Safety Improvement Act (CPSIA) 2008","citation":"15 U.S.C. 2051-2089","requirements":"Lead content limited to 100 ppm in children's products. Six phthalates permanently banned (DEHP, DBP, BBP, DINP, DIBP, DPENP) in children's toys and child care articles. Third-party testing and certification required.","compliance_status":null,"effective_date":"2008-08-14","enforcing_agency":"CPSC","penalties":null,"source_ref":null},{"jurisdiction":"USA","regulation":"16 CFR Part 1501 — Small Parts Regulation","citation":"16 CFR 1501","requirements":"Products intended for children under 3 must not contain small parts that pose choking hazards.","compliance_status":null,"effective_date":null,"enforcing_agency":"CPSC","penalties":null,"source_ref":null},{"jurisdiction":"EU","regulation":"Toy Safety Directive 2009/48/EC","citation":"Directive 2009/48/EC","requirements":"EN 71 compliance required. Migration limits for 19 elements. CMR substance restrictions. REACH SVHC reporting for >0.1% w/w.","compliance_status":null,"effective_date":"2011-07-20","enforcing_agency":null,"penalties":null,"source_ref":null},{"jurisdiction":"USA -- California","regulation":"California Proposition 65","citation":"CA Health & Safety Code 25249.5-25249.13","requirements":"Products containing listed chemicals above safe harbor levels require clear and reasonable warnings.","compliance_status":null,"effective_date":null,"enforcing_agency":"OEHHA","penalties":null,"source_ref":null}],"certifications":[{"name":"CPSIA","issuer":"CPSC","standard":"Consumer Product Safety Improvement Act","scope":"Lead, phthalate content limits for children's products"},{"name":"ASTM F963","issuer":"ASTM International","standard":"Standard Consumer Safety Specification for Toy Safety","scope":"Mechanical, flammability, chemical hazards"},{"name":"EN 71","issuer":"CEN","standard":"Safety of Toys (Parts 1-13)","scope":"EU toy safety directive covering mechanical, flammability, chemical migration"}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":false,"disposal_guidance":"Donate if reusable; check local recycling for hard plastics; landfill for worn items","hazardous_waste":false,"expected_lifespan":"1-3_years"},"formulation":{"form":"varies","key_ingredients":[],"certifications":[]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000041","compound_name":"Chloroform","role":"potential_leachate","typical_concentration":"trace"},{"hq_id":"hq-c-org-000060","compound_name":"Patulin","role":"plasticizer_leachate","typical_concentration":"trace"},{"hq_id":"hq-c-org-000055","compound_name":"Sodium hypochlorite (bleach)","role":"process_contaminant","typical_concentration":"trace"}],"identifiers":{"common_names":["disposable breast milk storage bags (plastic)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Premium/natural positioning"}],"sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-23"},{"type":"regulation","title":"Consumer Product Safety Improvement Act (CPSIA) 2008 (15 U.S.C. 2051-2089)","jurisdiction":"USA","year":2008,"citation":"15 U.S.C. 2051-2089","id":"src_9d01b546"},{"type":"regulation","title":"16 CFR Part 1501 — Small Parts Regulation (16 CFR 1501)","jurisdiction":"USA","citation":"16 CFR 1501","id":"src_3e241b80"},{"type":"regulation","title":"Toy Safety Directive 2009/48/EC","jurisdiction":"EU","year":2011,"citation":"Directive 2009/48/EC","id":"src_6c59b098"},{"type":"regulation","title":"California Proposition 65 (CA Health & Safety Code 25249.5-25249.13)","jurisdiction":"USA -- California","citation":"CA Health & Safety Code 25249.5-25249.13","id":"src_fe1d5adc"},{"id":"iarc_73_chloroform","type":"regulatory","title":"IARC Monographs Volume 73: Chloroform","year":1999,"inherited_from_compound":"hq-c-org-000041"},{"id":"epa_chloroform_iris","type":"regulatory","title":"US EPA IRIS: Chloroform — Toxicological Review (Final)","year":2001,"inherited_from_compound":"hq-c-org-000041"},{"id":"efsa_patulin_2018","type":"regulatory","title":"EFSA Panel on Contaminants: Risks to Human Health from Patulin in Food (Scientific Opinion)","year":2018,"inherited_from_compound":"hq-c-org-000060"},{"id":"who_patulin","type":"regulatory","title":"WHO JECFA Safety Evaluation of Certain Contaminants in Food: Patulin","year":1995,"inherited_from_compound":"hq-c-org-000060"},{"id":"atsdr_hypochlorite","type":"report","title":"ATSDR Medical Management Guidelines for Sodium Hypochlorite","year":2014,"inherited_from_compound":"hq-c-org-000055"},{"id":"aapcc_bleach","type":"report","title":"American Association of Poison Control Centers: Bleach and Hypochlorite Exposure Data","year":2022,"inherited_from_compound":"hq-c-org-000055"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-01T19:28:32.423Z"}}